Effect of circadian rhythm and menstrual cycle on physical performance in women: a systematic review



Year of publication 2024
Type Article in Periodical
MU Faculty or unit

Faculty of Sports Studies

Web odkaz na full text
Doi http://dx.doi.org/10.3389/fphys.2024.1347036
Keywords biological rhythm; daytime; ovarian cycle; endurance; strength; female
Description The literature has extensively investigated potential factors influencing women’s performance, including the menstrual cycle and the circadian rhythm. However, review articles exploring the combined influence of both factors remain lacking in the literature. The study aimed to systematically reviewthe literature on the relationship between the circadian rhythm and menstrual cycle on physical performance in women. The review followed the PRISMA guidelines. The search was performed on the Web of Science, PubMed, Scopus, SPORTDiscus, and Google Scholar databases. Of the 1205 records identified, four articles met the inclusion criteria. From four articles, two studies found a significant interaction between the time of day and phase of the menstrual cycle with physical performance. The isometric strength increased in the afternoon in the mid-luteal phase (versus the morning in the midluteal phase, p < 0.05), and themaximumcycling powerwas higher in the afternoon in themid-follicular phase (versus themorning in themid-follicular phase, p < 0.01). Our findings suggest that the time of day and the menstrual cycle phase affect physical performance, with the daytime potentially having a more significant influence. However, the results should be interpreted cautiously due to the limited studies and diverse methodologies used to monitor the menstrual cycle phase. This review reinforces the need for further investigation to understand better the combined effects of the circadian rhythm and menstrual cycle on women’s physical performance.
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